305 TPI and 808 ECM

[Bruce Plecan]

----- Original Message -----
From: Jackson, Trevor <trevor.jackson at dsto.defence.gov.au>
Subject: RE: 305 TPI and 808 ECM

Welp, I don't have any good 87-89 165 5.0 files
Sorry.
I do have a list of some bins thou.
AKFM
        N
        P
        R
        S
        Z

AKHA
        B
        C
        D

ANYH
        J

ANYD
        Z

APYP
        T
        U
        Y
        Z

Using 8 injectors instead of 9 would let you use a 89 bin
Bruce


> Matt

> When I get time in the next few days I'll make up a circuit to disable the
> VATS. What I need to know is what PROM code is the correct one to use -
I've
> been unable to find any reference to the AGYM3493 EPROM that we currently
> have. If I can get hold of the right data then I should be able to burn a
> new EPROM to use. Do you know what the correct EPROM version is?
> Trevor

> > From: Matt Tomlins [SMTP:Mattpw at ozemail.com.au]
> > Subject: Re: 305 TPI and 808 ECM
> > The 165 is the same as an 808 apart from having 1 extra chip to perform
> > high
> > speed serial communications.
> > The Camaro application is a Mass Air Flow system, whereas the Commodore
is
> > MAP based. If you try to run the Camaro on the ASBX calibration, it will
> > run, but in limp home mode. You need to use a MAP sensor for it to run
> > properly. If you want to run the Camaro calibration, you will need to
> > disable the VATS. This can be done via an external circuit, or disabled
in
> > the calibration (Much tidier solution). All of this informaion is in the
> > DIY_EFI archeives. Having said all that, I have run a mates Camaro on an
> > ASBX memcal. It ran quite well, but needed some modifications to the
idle
> > control area.
> > If you need any more help, let me know
> > Cheers
> > Matt Tomlins
> > From: Jackson, Trevor <trevor.jackson at dsto.defence.gov.au>
> > Subject: 305 TPI and 808 ECM
> > > I'm currently trying to help a friend get a 305 TPI engine running,
but
> > > without much success so far. I believe that the engine is from an 87
or
> > 88
> > > Camero auto (bought from a wrecked car), the wiring loom is from a
> > manual
> > > Camero, and the ECM we have is from the Australian Holden Commodore
> > (which
> > > from what I've read from the archives is the 1227808).
> > > I understand that the '808 ecm is more or less equivalent to the '165
> > ecm,
> > > and so we should be able to use it OK. The problem we have is with the
> > > Memcals. We have the Memcal that came with the ecm, which is a ASBX
9285
> > > from the 307 engine that is used in the Commodores, and a Memcal from
> > (we
> > > think) a 89 Camero with a 305 TPI (EPROM AGYM 3493).
> > > As yet we have been able to get the engine running using the 89 Camero
> > > Memcal, but it does run (not very well though) using the Memcal from
the
> > > Commodore.
 > > We think that the Memcal from the 89 Camero is not working because we
do
> > not
> > > have a VATS signal to send to the ecm - I plan to build the circuit to
> > > emulate that so that we can see if that is the problem. If this is the
> > > problem, is the program/data from the AGYM 3493 EPROM suitable for
this
> > > engine, or do I need to get hold of a different EPROM image and
program
> > up
> > > another EPROM?
> > > BTW, can anyone tell me what is the correct EPROM image for an 87/88
305
> > TPI
> > > engine?
 > > I've only just discovered these mailing lists and am slowly making my
> > way
> > > through the archives. There is a mountain of info there - I just need
to
> > > find the relevant pieces.
 > > regards
> > > Trevor Jackson